xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/sound/rockchip-spdif.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/sound/rockchip-spdif.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Rockchip SPDIF transceiver
8*4882a593Smuzhiyun
9*4882a593Smuzhiyundescription:
10*4882a593Smuzhiyun  The S/PDIF audio block is a stereo transceiver that allows the
11*4882a593Smuzhiyun  processor to receive and transmit digital audio via a coaxial or
12*4882a593Smuzhiyun  fibre cable.
13*4882a593Smuzhiyun
14*4882a593Smuzhiyunmaintainers:
15*4882a593Smuzhiyun  - Heiko Stuebner <heiko@sntech.de>
16*4882a593Smuzhiyun
17*4882a593Smuzhiyunproperties:
18*4882a593Smuzhiyun  compatible:
19*4882a593Smuzhiyun    oneOf:
20*4882a593Smuzhiyun      - const: rockchip,rk3066-spdif
21*4882a593Smuzhiyun      - const: rockchip,rk3228-spdif
22*4882a593Smuzhiyun      - const: rockchip,rk3328-spdif
23*4882a593Smuzhiyun      - const: rockchip,rk3366-spdif
24*4882a593Smuzhiyun      - const: rockchip,rk3368-spdif
25*4882a593Smuzhiyun      - const: rockchip,rk3399-spdif
26*4882a593Smuzhiyun      - const: rockchip,rk3568-spdif
27*4882a593Smuzhiyun      - const: rockchip,rk3588-spdif
28*4882a593Smuzhiyun      - items:
29*4882a593Smuzhiyun          - enum:
30*4882a593Smuzhiyun              - rockchip,rk3188-spdif
31*4882a593Smuzhiyun              - rockchip,rk3288-spdif
32*4882a593Smuzhiyun              - rockchip,rk3308-spdif
33*4882a593Smuzhiyun          - const: rockchip,rk3066-spdif
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun  reg:
36*4882a593Smuzhiyun    maxItems: 1
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun  interrupts:
39*4882a593Smuzhiyun    maxItems: 1
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun  clocks:
42*4882a593Smuzhiyun    items:
43*4882a593Smuzhiyun      - description: clock for SPDIF bus
44*4882a593Smuzhiyun      - description: clock for SPDIF controller
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun  clock-names:
47*4882a593Smuzhiyun    items:
48*4882a593Smuzhiyun      - const: mclk
49*4882a593Smuzhiyun      - const: hclk
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun  dmas:
52*4882a593Smuzhiyun    maxItems: 1
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun  dma-names:
55*4882a593Smuzhiyun    const: tx
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun  power-domains:
58*4882a593Smuzhiyun    maxItems: 1
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun  rockchip,grf:
61*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/phandle
62*4882a593Smuzhiyun    description:
63*4882a593Smuzhiyun      The phandle of the syscon node for the GRF register.
64*4882a593Smuzhiyun      Required property on RK3288.
65*4882a593Smuzhiyun
66*4882a593Smuzhiyun  "#sound-dai-cells":
67*4882a593Smuzhiyun    const: 0
68*4882a593Smuzhiyun
69*4882a593Smuzhiyunrequired:
70*4882a593Smuzhiyun  - compatible
71*4882a593Smuzhiyun  - reg
72*4882a593Smuzhiyun  - interrupts
73*4882a593Smuzhiyun  - clocks
74*4882a593Smuzhiyun  - clock-names
75*4882a593Smuzhiyun  - dmas
76*4882a593Smuzhiyun  - dma-names
77*4882a593Smuzhiyun  - "#sound-dai-cells"
78*4882a593Smuzhiyun
79*4882a593Smuzhiyunif:
80*4882a593Smuzhiyun  properties:
81*4882a593Smuzhiyun    compatible:
82*4882a593Smuzhiyun      contains:
83*4882a593Smuzhiyun        const: rockchip,rk3288-spdif
84*4882a593Smuzhiyun
85*4882a593Smuzhiyunthen:
86*4882a593Smuzhiyun  required:
87*4882a593Smuzhiyun    - rockchip,grf
88*4882a593Smuzhiyun
89*4882a593SmuzhiyunadditionalProperties: false
90*4882a593Smuzhiyun
91*4882a593Smuzhiyunexamples:
92*4882a593Smuzhiyun  - |
93*4882a593Smuzhiyun    #include <dt-bindings/clock/rk3188-cru.h>
94*4882a593Smuzhiyun    #include <dt-bindings/interrupt-controller/arm-gic.h>
95*4882a593Smuzhiyun    spdif: spdif@1011e000 {
96*4882a593Smuzhiyun      compatible = "rockchip,rk3188-spdif", "rockchip,rk3066-spdif";
97*4882a593Smuzhiyun      reg = <0x1011e000 0x2000>;
98*4882a593Smuzhiyun      interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
99*4882a593Smuzhiyun      clocks = <&cru SCLK_SPDIF>, <&cru HCLK_SPDIF>;
100*4882a593Smuzhiyun      clock-names = "mclk", "hclk";
101*4882a593Smuzhiyun      dmas = <&dmac1_s 8>;
102*4882a593Smuzhiyun      dma-names = "tx";
103*4882a593Smuzhiyun      #sound-dai-cells = <0>;
104*4882a593Smuzhiyun    };
105